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    • 36. 发明授权
    • Safety needle with positive flush
    • 带正冲的安全针
    • US07097637B2
    • 2006-08-29
    • US10648969
    • 2003-08-27
    • Daniel J. TriplettKevin W. SheetzEddie K. Burnside
    • Daniel J. TriplettKevin W. SheetzEddie K. Burnside
    • A61M5/32
    • A61M39/0247A61M5/158A61M5/3275A61M39/0208A61M2005/1581A61M2005/3249A61M2039/0205A61M2039/0258A61M2205/195A61M2209/045
    • A safety needle device and positive flush mechanism for use with a vascular access port. In one embodiment, the combination needle assembly includes a needle, a body and a base, the body being collapsible to expunge fluid therefrom as the needle is withdrawn from a vascular access port. In another embodiment, the combination needle assembly includes a needle, a housing and a reservoir, the housing squeezing the reservoir to expunge fluid therefrom as the needle is withdrawn from the port. In another embodiment, the needle assembly includes a compression plate and balloon extension, the compression plate forcing fluid out of the balloon extension as the needle is withdrawn from the port. In all embodiments, the needle assembly is configured to provide a positive flush to overcome negative pressures in the vascular access port, while also providing a locking mechanism to prevent accidental needle sticks.
    • 用于血管通路口的安全针装置和正冲洗机构。 在一个实施例中,组合针组件包括针,主体和基部,当针从血管进入端口中取出时,身体可折叠以从其中清除流体。 在另一个实施例中,组合针组件包括针,壳体和容器,当针从口中取出时,壳体挤压容器以从其中清除流体。 在另一个实施例中,针组件包括压缩板和气囊延伸部,当针从端口中取出时,压缩板迫使流体从气囊延伸部分流出。 在所有实施例中,针组件被配置为提供正冲洗以克服血管进入口中的负压,同时还提供锁定机构以防止意外的针刺。
    • 38. 发明授权
    • Bioimpedance-assisted placement of a medical device
    • 生物阻抗辅助放置医疗器械
    • US08801693B2
    • 2014-08-12
    • US13283395
    • 2011-10-27
    • Ding Sheng HeDavid J. CiavarellaEddie K. Burnside
    • Ding Sheng HeDavid J. CiavarellaEddie K. Burnside
    • A61B5/053A61M25/095A61B5/055A61B8/00
    • A61M25/0105A61B5/068A61B17/00234A61B34/20A61B2017/00026A61B2017/00331A61B2034/2051A61M25/01A61M2025/0166
    • A system and method for guiding a catheter or other medical device to a desired target destination within the vasculature of a patient via bioimpedance measurements is disclosed. The target destination in one embodiment includes placement of the catheter such that a distal tip thereof is disposed proximate the heart, e.g., the junction of the right atrium and superior vena cava. In one embodiment the method for guiding the catheter comprises introducing the catheter into a vessel of the patient, the catheter defining a lumen through which fluids can be infused into the vasculature of the patient. The catheter is advanced toward a target destination within the vasculature. A first impedance value based on intravascular detection of at least one electrical property related to a first tissue surface of the vessel is calculated to enable determination of the proximity of a distal end of the catheter to the target destination.
    • 公开了一种用于通过生物阻抗测量将导管或其他医疗装置引导到患者脉管系统内的期望目的地目的地的系统和方法。 在一个实施例中的目标目的地包括导管的放置,使得其远侧末端设置在心脏附近,例如右心房和上腔静脉的连接处。 在一个实施例中,用于引导导管的方法包括将导管引入患者的容器中,该导管限定了内腔,流体可以通过内腔输注到患者的脉管系统中。 导管朝向脉管系统内的目标目标前进。 计算基于与血管的第一组织表面相关的至少一个电性质的血管内检测的第一阻抗值,以使得能够确定导管的远端与目的地的接近度。
    • 40. 发明授权
    • Systems and methods for positioning a catheter
    • 用于定位导管的系统和方法
    • US08478382B2
    • 2013-07-02
    • US12369625
    • 2009-02-11
    • Eddie K. BurnsideShayne MesserlyRobert N. GoldenRand W. Lee
    • Eddie K. BurnsideShayne MesserlyRobert N. GoldenRand W. Lee
    • A61B5/05
    • A61B5/062A61B1/00158A61B5/05A61B5/06A61B5/6851A61B5/6852A61B5/72A61B5/742
    • A method for displaying a position of a medical device, such as a catheter, during insertion of the medical device into a patient is disclosed. In one example embodiment, the method includes obtaining a first set of detected position data relating to a location marker, then determining a possible first position of the location marker. A first confidence level relating to a match between the first set of detected position data and a first set of predicted position data is assigned. A determination is made whether the first confidence level meets or exceeds a first threshold. If the first confidence level meets or exceeds the first threshold, a determination is then made whether the first position of the location marker is within a first detection zone. If the first position of the location marker is within the first detection zone, the first position of the location marker is displayed.
    • 公开了一种用于在将医疗装置插入患者体内时显示诸如导管的医疗装置的位置的方法。 在一个示例性实施例中,该方法包括获得与位置标记相关的第一组检测到的位置数据,然后确定位置标记的可能的第一位置。 分配与第一组检测位置数据和第一组预测位置数据之间的匹配相关的第一置信水平。 确定第一置信度是否满足或超过第一阈值。 如果第一置信度达到或超过第一阈值,则确定位置标记的第一位置是否在第一检测区内。 如果位置标记的第一位置在第一检测区域内,则显示位置标记的第一位置。